LiMn₂O₄ nanorods synthesized by MnOOH template for lithium-ion batteries with good performance

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• 作者：Zhongchao Bai ; Na Fan ; ^{fanna781124@yahoo.com.cn} ; Zhicheng Ju ; Changhui Sun ; Yitai Qian
• 关键词：Energy storage materials ; Nanorods ; Lithium manganese oxide ; Template ; Lithium-ion batteries
• 刊名：Materials Letters
• 出版年：2012
• 期刊代码：59_0167577x
• 类别：ms
• 出版时间：1 June, 2012
• 卷：76
• 期：Complete
• 页码：124-126
• 文件大小：697 K

摘要

Spinel LiMn₂O₄ nanorods have been synthesized through a solid state reaction at 700 掳C for 10 h by using MnOOH nanorods as the template which were obtained by a hydrothermal route. LiMn₂O₄ nanorods have diameters of 80-170 nm and lengths of several micrometers. Galvanostatic battery testing shows that the synthesized LiMn₂O₄ nanorods can deliver high capacity and good cycle stability (107 and 94 mAh g^鈭?#xA0;1 at current rate 1 C and 5 C up to 50 cycles, respectively) in the potential window of 3.0-4.3 V. Such good performances may be due to the favorable morphology and the raw material of MnOOH.